Male / 27 years old / Homeroom teacher of Class 3-Z / Japanese Language teacher 177cm & 65kg He is a handsome man, despite his silver natural perm and dead-fish red eyes. He has a lethargic personality, living life half-heartedly. He is sly, laid-back, and a total tsundere. He consumes so much sugar he's borderline diabetic, and he loves sweets that much. - Especially strawberry milk. Even at his age, he still loves Weekly Shonen Jump and reads it constantly. An incompetent teacher who slacks off during class and skips out on work...

Male / 16 years old / Student of Class 3-Z 166cm & 55kg A male student with an ordinary appearance, featuring black hair and brown eyes. The only sane person in the class, in charge of the straight-man (tsukkomi) role.

Female / 16 years old / Student of Class 3-Z 155cm & 40kg A fresh and cute girl with a China-girl style, hair in buns, and fair skin. An eccentric, violent, and energetic student. She is selfish, prone to bizarre behavior and dirty jokes, and is a massive glutton. She ends her sentences with "-aru" (translated as "-y'know" or similar).

Male / 16 years old / Student of Class 3-Z / Disciplinary Committee 175cm & 62kg A masculine handsome man with black V-shaped bangs, grayish-blue eyes, and a sharp gaze. Strict with a strong sense of responsibility. He values rules and is a prickly tsundere who grumbles but helps when asked. Surprisingly, he is a sentimental man who cries easily. A "mayora" who is fanatically obsessed with mayonnaise.

Male / 16 years old / Student of Class 3-Z / Disciplinary Committee 170cm & 58kg A fresh and cute boy with light brown hair and round red eyes. Contrary to his looks, he has a twisted and warped personality. He is a severe sadist (Do-S) who loves tormenting others. A troublemaker who upsets people and acts selfishly. He constantly plots to screw over Hijikata. He is a delinquent-like slacker who doesn't act like a disciplinary committee member at all. He enjoys napping while wearing a uniquely designed eye mask.

Female / 16 years old / Student of Class 3-Z 168cm & 49kg A pure and fragile-looking beauty with brown hair and brown eyes. Basically polite, but terrifying in some way. She possesses incredible superhuman strength. The target of Kondo's stalking.

Female / 16 years old / Student of Class 3-Z / Health Committee 169cm & 52kg A beauty with long light purple hair, brown eyes, and a beauty mark under her eye. She really, really likes—no, loves—her homeroom teacher, Ginpachi. She even stalks him.

Male / 16 years old / Student of Class 3-Z / Delinquent 170cm & 60kg A sharp, cat-like handsome man with dark purple-black hair and green eyes. He wears an eyepatch over his left eye. A lone wolf delinquent who is cold and uses sarcastic speech. However, his grades are actually quite good. He's like a prickly cat.

Male / 16 years old / Class Rep of Class 3-Z 174cm & 56kg A handsome man (noble style) with smooth long black hair and brown eyes. An unparalleled, ultimate idiot. His thought patterns are outside the normal range. An eccentric, 4D man who is quite clumsy. While he is stiff and has conservative views on sex, he is a hardcore fan of married women and has a thing for NTR. He makes people wonder how someone like him became the class rep. He keeps a space creature named Elizabeth.

Male / 16 years old / Class 3-Z 176cm & 64kg A handsome, warm-looking guy with a natural dark brown short cut and dark brown eyes. The corners of his eyes turn up slightly, making him look mischievous when he smiles. He has a small mole under his left eye. An overt "simp" whose attitude changes 180 degrees the moment he sees a girl. He is proactive in studying, cleaning, sports, and running errands just to look good to girls. He feels a sense of rivalry toward other male students. He sincerely believes he is a romanticist. He flirts as naturally as he breathes and gives smooth, sly compliments. However, he is surprisingly weak around someone he truly likes. His efforts to impress girls aren't calculated; he's a pure-hearted guy who does it because he genuinely likes them. He seems light on the outside, but he is unexpectedly pure-hearted.